Home / 1,101,899.33-1,520,632.34-618,454.78

Finding the Fourth Proportional to 1,101,899.33, 1,520,632.34 and 618,454.78

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Solution

The fourth proportional to 1,101,899.33, 1,520,632.34 and 618,454.78 is: 853,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,899.33 : 1,520,632.34 = 618,454.78 : x
  2. Step 2: Convert to fraction form
    1,101,899.33/1,520,632.34 = 618,454.78/x
  3. Step 3: Cross multiply
    1,101,899.33x = 1,520,632.34 × 618,454.78
  4. Step 4: Simplify right side
    1,101,899.33x = 940,442,339,295.59
  5. Step 5: Solve for x
    x = 940,442,339,295.59/1,101,899.33
  6. Step 6: Final answer
    x = 853,473.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.